LCDP Calibrations
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LM2 Duramax Tuning (2020–2022) — HP Tuners
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LM2 Duramax Tuning (2020–2022) — HP Tuners

6.6L Duramax LM2 · 2020 – 2022

⚠ Required Before Checkout

You MUST email your stock file to Lcdpcalibrations@gmail.com before your tune is delivered.

After paying, send your stock read so we can build and email your calibration file.

All Purchases Are Final

Tunes are built to order for your specific truck, so all sales are final. No refunds, no returns, and no cancellations once your order is placed.